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Metastatic Adrenal Cortical Carcinoma Responding to Octreotide: A Case Report.

ABSTRACT: Advanced adrenocortical carcinoma (ACC) is an aggressive disease with poor prognosis, and the current therapeutic options, such as mitotane or platinum-based chemotherapy regimens, often offer limited efficacy. Here, we present the first report, to the author's knowledge, of metastatic ACC with positive octreoscan scintigraphy that was successfully treated with octreotide long-acting release (LAR). A patient with metastatic ACC who showed poor tolerance to mitotane received octreotide LAR because of positive octreoscan scintigraphy. She obtained major partial response to the somatostatin analog. Interestingly, the expression of somatostatin receptor 2 from the previous local recurrence lesion was negative. The next-generation sequencing-based circulating tumor DNA analysis in the patient was performed and failed to identify any alterations. These findings suggest that octreotide LAR may be a good option for the treatment of metastatic ACC in selected patients.

SUBMITTER: Wang X

PROVIDER: S-EPMC6693704 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Metastatic Adrenal Cortical Carcinoma Responding to Octreotide: A Case Report.

Wang Xiang X Zhou Na N Xiao Yu Y Zhu Wenjia W Bai Chunmei C Zhao Lin L

The oncologist 20190509 8

Advanced adrenocortical carcinoma (ACC) is an aggressive disease with poor prognosis, and the current therapeutic options, such as mitotane or platinum-based chemotherapy regimens, often offer limited efficacy. Here, we present the first report, to the author's knowledge, of metastatic ACC with positive octreoscan scintigraphy that was successfully treated with octreotide long-acting release (LAR). A patient with metastatic ACC who showed poor tolerance to mitotane received octreotide LAR becaus ...[more]

PMID: 31073023

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Project description:BackgroundGastric cancer remains one of the deadliest malignancies in the world, thus urgently requiring effective and safe therapeutics. Claudin18.2 is a member of the tight junction protein family specifically expressed in gastric cancer cells. Monoclonal antibodies targeting Claudin18.2 have been receiving increasing attention recently. ASKB589 is a humanized monoclonal antibody targeting Claudin18.2.Case presentationThis case described a 65-year-old Chinese man diagnosed with gastric cancer metastasizing to the liver and multiple lymph nodes. The biomarker examination revealed that he had proficient mismatch repair (pMMR), human epidermal growth factor receptor 2 (HER2) was negative, and the combined proportion score (CPS) of PD-L1 (22C3) was 1. After being proven to be moderately positive for Claudin18.2 expression, he received ASKB589 and CAPOX (oxaliplatin and capecitabine) chemotherapy. After a six-cycle therapy (from 14 July 2022 to 29 November 2022), the target tumor was evaluated for partial response (PR) by the investigator based on the enhanced CT scan according to the Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria. However, this patient also suffered from intolerable ascites that gradually aggravated during the therapy, which was not controlled well by the supporting therapy. Therefore, the patient stopped receiving the combined therapy in our hospital and did not receive any other anti-tumor treatment. After 4 months of discontinuation of the drug, the patient's ascites almost disappeared, while the tumor continued to reduce and almost achieved clinically complete relapse (cCR). His progression-free survival (PFS) reached at least 10 months.ConclusionThis is the first case of severe ascites reported after anti-Claudin18.2 monoclonal antibody treatment for advanced gastric cancer. At the same time, the patient still benefited significantly from this incomplete treatment even after discontinuation of the drug and the PFS reached at least 10 months. The ascites might be an immune adverse effect related to the monoclonal antibody-induced antibody-dependent cytotoxicity (ADCC) and complement-dependent cytotoxicity (CDC). Further mechanisms remain to be investigated.

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Metastatic Adrenal Cortical Carcinoma Responding to Octreotide: A Case Report.

Publications

Metastatic Adrenal Cortical Carcinoma Responding to Octreotide: A Case Report.

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